34 def _get_bothseps(path):  argument
99 def join(path, *paths):  argument
280 def ismount(path):  argument
311 def isreserved(path):  argument
343 def expanduser(path):  argument
403 def expandvars(path):  argument
519     def normpath(path):  argument
561     def abspath(path):  argument
573     def abspath(path):  argument
606     def _readlink_deep(path):  argument
648     def _getfinalpathname_nonstrict(path):  argument
702     def realpath(path, *, strict=False):  argument
770 def relpath(path, start=None):  argument
895     def isdevdrive(path):  argument